The two .ztt files are the zTree treatments to conduct the Price Floor and the No Control treatments.

The three .dta files contain the experiment data in Stata format. Analyses were conducted using Stata 17.

Investment.do conducts the analysis reported in Section 4.1: Cost-Reducing Investment

Prices.do conducts the analysis reported in Section 4.2: Emissions Permit Prices

Emissions.do and SocialCosts.do conducts the analysis reported in Section 4.3: Emissions and Social Costs
